content: /*
   * @(#)RowModel.java
   *
   * Copyright 2002 EGANTT LLP. All rights reserved.
   * PROPRIETARY/QPL. Use is subject to license terms.
   */
  
  package com.egantt.swing.table.model;
  
  /**
   *  An implementation of the rows in a table
   */
  public interface RowModel
  {
      /**
       * Returns the value for the cell at <code>columnIndex</code> and
       * <code>rowIndex</code>.
       * note: @see #size must be called first
       * @param	rowIndex	the row whose value is to be queried
       * @param	columnIndex 	the column whose value is to be queried
       * @return	the value Object at the specified cell
       */
  	Object getValueAt(int row, int column);
  
  	/**
       * Sets the value in the cell at <code>columnIndex</code> and
       * <code>rowIndex</code> to <code>aValue</code>.
  	 * note: @see #size must be called first
       *
       * @param	aValue		 the new value
       * @param	rowIndex	 the row whose value is to be changed
       * @param	columnIndex 	 the column whose value is to be changed
       * @see #getValueAt
       * @see #isCellEditable
       */
  	void setValueAt(Object value, int row, int column);
  	
  	/**
  	 *  Returns the number of rows in the model, the table implementation
       *  uses this method to determine how many rows it
       *  should display.
  	 */
  	int size();
  }
  